Diving mask with four windows



FIG. 1 is a front top left side perspective view of a diving mask withfour windows showing our new design, the broken line showing of thestrap is for illustrative purposes only and forms no part of the claimeddesign;

FIG. 2 is a left side elevational view thereof, the right side being amirror image;

FIG. 3 is a front view of the mask of the invention;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view of the mask of the invention; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a diving mask with four windows, as shown anddescribed.